Moroso 63500 Small Block Chevy Aluminum Short Water Pump
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Moroso first pioneered the aluminum water pump for racing over 15 years ago. Over the years, continual improvements have resulted in providing the best cooling system components available for competition use.
- Computer designed housing cast from 356-T6 aluminum
- Lightweight impeller maintains consistent coolant temp throughout the water jacket
- Low-drag impeller adds 14HP @ 7,500 RPM
- Includes integral cam stop boss
- Overall length of 5.603" from rear mounting face to hub face
Fits 1955-1968 “Short” design 5/8" shaft S/B Chevy appliactions. Note: Pump will not clear a billet 910-11040 timing cover.
545-63500 Instructions (PDF)
Learn how to choose the correct water pump for your application by reading our tech article. SBC - Short vs Long Water Pump.
NotesClearance from back of pump to engine block mount is .81" Mounting hole boss height: Passenger Lower: 2", Passenger Upper: 1-1/8", Driver Upper: 7/8", Driver Lower: 1-1/8".
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